Nintendo DS Lite. They often need a clean / old fashioned Nintendo blow to get them working.
Black Nintendo Ds Lite Handheld Console With 2 Games
Black Nintendo DS Lite Console Tested & Working + Sonic, Mario Kart and Manual
Black Nintendo DS Lite
Nintendo DS Lite Black Console with Professor Layton and the Curious Village (Nintendo DS)
Nintendo DS Lite Black Console with Brain Training (Nintendo DS)
Custom Nintendo DS Lite ☆ Design your own DS Lite! ☆ Ultimate DS/GBA Console
